diff --git a/test/ejabberd_SUITE_data/ejabberd.cfg b/test/ejabberd_SUITE_data/ejabberd.cfg
index f071ffe8b..251f23118 100644
--- a/test/ejabberd_SUITE_data/ejabberd.cfg
+++ b/test/ejabberd_SUITE_data/ejabberd.cfg
@@ -64,7 +64,7 @@
 {host_config, "localhost", [{auth_method, internal}]}.
 {host_config, "extauth.localhost",
  [{auth_method, external},
-  {extauth_program, "python extauth.py"}]}.
+  {extauth_program, "python3 extauth.py"}]}.
 {host_config, "mnesia.localhost",
  [{auth_method, internal},
   {{add, modules}, [{mod_announce, [{db_type, internal}]},
diff --git a/test/ejabberd_SUITE_data/ejabberd.extauth.yml b/test/ejabberd_SUITE_data/ejabberd.extauth.yml
index 660ddccd6..11a67d2cc 100644
--- a/test/ejabberd_SUITE_data/ejabberd.extauth.yml
+++ b/test/ejabberd_SUITE_data/ejabberd.extauth.yml
@@ -1,5 +1,5 @@
 define_macro:
   EXTAUTH_CONFIG:
     queue_type: ram
-    extauth_program: "python extauth.py"
+    extauth_program: "python3 extauth.py"
     auth_method: external